Taxi company with new cars with meters. For a smoother, less stressful ride, I would suggest using these, however that is not to say that you might not get an unfriendly driver, but most are professional. In the taxis is a posting of their rules and if you have a problem, call the taxi company.

Raha taxi also has service to the Sana’a and Aden airports

I called and got a quote one time and the price for picking up a passenger at the Aden airport and taking to Yemen was around $100-$150 dollars, can’t remember the exact quote.